helping insulate us. by the afternoon the high clouds will continue and our temperatures will be cooler, relatively mild but cooler than what we have seen recently as for advisories a spare the air day. >> the wait is almost over. on this super bowl eve the 49ers will hold a final walk through. we have live team coverage. first we go to joe outside the super dome with the story of a 49er who thought he would lead the team to the super bowl. >> reporter: yeah. this has to be a little bit of a strange experience for alex smith of the 49ers. he was drafted number one overall eight years ago and he probably wanted to be here. last year he was just two plays out of his control away from being in this position. the last time we saw him as a starting quarterback was back in october against the cardinals. all he did that night was throw just one incompletion and three touchdown passes. we know the story after that. he was hurt the next week against the rams, replaced by collin and then in one of the bold moves of